Cyrus IMAP migration

Tarjei Huse tarjei at
Sun May 1 07:45:51 EDT 2005

lør, 30,.04.2005 kl. 17.03 +0200, skrev Dag-Erling Smørgrav:
> I was wondering if anybody here has any experience migrating a Cyrus
> IMAP server from one platform to another.
> My current IMAP server is an Alpha EV56; the new server is an Opteron
> 140.  Both run FreeBSD 6.  Both are little-endian I32LP64 machines.
> There is one very important difference, though: time_t is 32 bits wide
> on the Alpha and 64 bits wide on the Opteron.  This means binary files
> which contain time_ts will not be readable on the Opteron.
> So my question is: does Cyrus store time_ts in binary files, and if
> so, is there any way I can locate those files and convert them to the
> proper format when I copy them over?

Hmm, how large is the volume here? You might get away with just
migration using the imap protocol.


Tarjei Huse <tarjei at>

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